package com.atguigu.gulimall.order.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.Exchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.core.TopicExchange;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.HashMap;
import java.util.Map;

@Configuration
public class MyMQConfig {

    /**
     * 容器中的 Binding,Queue,Exchange都会自动创建（RabbitMQ中没有的情况）
     * RabbitMQ 只要有，@Bean属性发生变化也不会覆盖
     * @return
     */
    @Bean
    public Queue orderDelayQueue(){
        //(String name, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments)
        Map<String,Object> arguments = new HashMap<>();
        arguments.put("x-dead-letter-exchange","order-event-exchange");
        arguments.put("x-dead-letter-routing-key","order.release.order");
        arguments.put("x-message-ttl",60000);
        Queue queue = new Queue("order.delay.queue", true, false, false,arguments);

        return queue;
    }

    @Bean
    public Queue orderReleaseOrderQueue(){
        Queue queue = new Queue("order.release.order.queue", true, false, false);

        return queue;
    }

    @Bean
    public Exchange orderEventExchange(){
//        (String name, boolean durable, boolean autoDelete, Map<String, Object> arguments)
        TopicExchange topicExchange = new TopicExchange("order-event-exchange", true, false);
        return topicExchange;

    }

    @Bean
    public Binding orderCreateOrderBinding(){
//        (String destination, Binding.DestinationType destinationType, String exchange,
//                String routingKey, Map<String, Object> arguments)
        Binding binding = new Binding("order.delay.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.create.order",
                null);
        return binding;
    }

    @Bean
    public Binding orderRealeaseOrderBinding(){
        Binding binding = new Binding("order.release.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.order",
                null);
        return binding;
    }

    /**
     * 订释放直接和库存释放进行绑定
     * @return
     */
    @Bean
    public Binding orderRealeaseOtherBinding(){
        Binding binding = new Binding("stock.release.stock.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.release.other.#",
                null);
        return binding;
    }

    @Bean
    public Queue orderSeckillOrderQueue(){
        //String name, boolean durable, boolean exclusive, boolean autoDelete, Map<String, Object> arguments
        return new Queue("order.seckill.order.queue",true,false,false);
    }

    @Bean
    public Binding orderSeckillOrderQueueBinding(){

        //String destination, Binding.DestinationType destinationType,
        // String exchange, String routingKey, Map<String, Object> arguments
        return new Binding("order.seckill.order.queue",
                Binding.DestinationType.QUEUE,
                "order-event-exchange",
                "order.seckill.order",
                null);
    }


}
